38780082 has 48 divisors (see below), whose sum is σ = 92952288. Its totient is φ = 11586240.

The previous prime is 38780017. The next prime is 38780089. The reversal of 38780082 is 28008783.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38780089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13113 + ... + 15795.

It is an arithmetic number, because the mean of its divisors is an integer number (1936506).

Almost surely, 2^38780082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38780082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46476144).

38780082 is an abundant number, since it is smaller than the sum of its proper divisors (54172206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38780082 is a wasteful number, since it uses less digits than its factorization.

38780082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775 (or 2772 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 38780082 is about 6227.3655746230. The cubic root of 38780082 is about 338.4825163862.

The spelling of 38780082 in words is "thirty-eight million, seven hundred eighty thousand, eighty-two".